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<html lang="en">
<head>
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    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>防抖</title>
</head>
<body>
    <script>
        const t = setTimeout(() => { //定时器的ID,可以给js异步执行,setTimeout延迟执行，setInterval持续执行
            console.log('----------',t);
            clearTimeout(t1)
        },150)
        const t1 = setTimeout(() => { 
            console.log('******',t1);
            //clearTimeout(t1)
        },250)
        console.log(t1);
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